Liquid dispenser



FIG. 1 is a front view of a liquid dispenser, showing the design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines in the drawings depict portions of the liquid dispenser that form no part of the claim. 

CLAIM The ornamental design for a liquid dispenser, as shown and described. 